Math, asked by umateemadhwarya, 1 year ago

How much acid should be added to 400 ml of 15% acid solution to increase its strength to 32%?

Answers

Answered by oshoraa
15
percentage      ml
       15              400
        32               x
  by using direct variation
 15 * x   =  400 * 32
      x  = 12800 / 15
     x =     853.33 ml
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